package com.moon.bigevent.controller;

import com.moon.bigevent.pojo.Result;
import com.moon.bigevent.pojo.User;
import com.moon.bigevent.service.UserService;
import com.moon.bigevent.utils.JwtUtil;
import com.moon.bigevent.utils.Md5Util;
import com.moon.bigevent.utils.ThreadLocalUtil;
import jakarta.validation.constraints.Pattern;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/user")
@Validated
public class UserController {

    @Autowired
    private UserService userService;

    @PostMapping("/register")
    public Result register(@Pattern(regexp = "^\\S{5,16}$") String username, @Pattern(regexp = "^\\S{5,16}$") String password) {
        User u = userService.FindByUsername(username);
        if (u == null) {
            userService.Register(username, password);
            return Result.success();
        } else {
            return Result.error("用户名已被占用");
        }
    }

    @PostMapping("/login")
    public Result<String> login(@Pattern(regexp = "^\\S{5,16}$") String username, @Pattern(regexp = "^\\S{5,16}$") String password) {
        User loginUser = userService.FindByUsername(username);
        if (loginUser == null) {
            return Result.error("用户名错误");
        }
        if (Md5Util.getMD5String(password).equals(loginUser.getPassword())) {
            Map<String,Object> claims = new HashMap<>();
            claims.put("id",loginUser.getId());
            claims.put("username",loginUser.getUsername());
            String token = JwtUtil.getToken(claims);
            return Result.success(token);
        }
        return Result.error("密码错误");
    }
    @GetMapping("/userinfo")
    public Result<User> userInfo(){
        Map<String,Object> map =ThreadLocalUtil.get();
        String username=(String) map.get("username");
        User user = userService.FindByUsername(username);
        return Result.success(user);
    }
    @DeleteMapping("/del")
    public Result<String> DeleteByUsername(){
        Map<String,Object> map =ThreadLocalUtil.get();
        String username=(String) map.get("username");
        int count = userService.DeleteByUsername(username);
        if (count>0) {
            return Result.success("成功");
        }
        else{
            return Result.error("错误");
        }
    }
    @PutMapping("update")
    public Result update(@RequestBody User user){
        userService.update(user);
        return Result.success();
    }
}
